101. Split a String Using Delimiter

#include <stdio.h>
#include <stdint.h>

void split_string(const char *str, char delimiter, char tokens[10][20], uint8_t *count) {
    
    int tail = 0, index = 0;
    while(str[index] != '\0') {
        if(str[index] == delimiter) {
            for(int i = 0; tail < index; i++) {
                tokens[*count][i] = str[tail];
                tail++;
            }
            *count += 1;
            tail = index + 1;
        }
        index++;
    }
    for(int i = 0; tail < index; i++) {
        tokens[*count][i] = str[tail];
        tail++;
    }
    *count += 1;
    tail = index + 1;
}

int main() {
    char str[101];
    char delimiter;
    fgets(str, sizeof(str), stdin);
    scanf(" %c", &delimiter);

    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') { str[i] = '\0'; break; }
        i++;
    }

    char tokens[10][20];
    uint8_t count = 0;

    split_string(str, delimiter, tokens, &count);

    for (uint8_t i = 0; i < count; i++) {
        printf("%s\n", tokens[i]);
    }

    return 0;
}